Home / 9,111.20-13,666-2,536.96

Finding the Fourth Proportional to 9,111.20, 13,666 and 2,536.96

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Solution

The fourth proportional to 9,111.20, 13,666 and 2,536.96 is: 3,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.20 : 13,666 = 2,536.96 : x
  2. Step 2: Convert to fraction form
    9,111.20/13,666 = 2,536.96/x
  3. Step 3: Cross multiply
    9,111.20x = 13,666 × 2,536.96
  4. Step 4: Simplify right side
    9,111.20x = 34,670,095.36
  5. Step 5: Solve for x
    x = 34,670,095.36/9,111.20
  6. Step 6: Final answer
    x = 3,805.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.